< prev index next > src/hotspot/cpu/x86/gc/shenandoah/c1/shenandoahBarrierSetC1_x86.cpp
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LIR_Opr t2 = gen->new_register(T_OBJECT);
LIR_Opr addr = access.resolved_addr()->as_address_ptr()->base();
LIR_Opr result = gen->new_register(T_INT);
__ append(new LIR_OpShenandoahCompareAndSwap(addr, cmp_value.result(), new_value.result(), t1, t2, result));
+
+ post_barrier(access, access.resolved_addr(), new_value.result());
return result;
}
}
- return BarrierSetC1::atomic_cmpxchg_at_resolved(access, cmp_value, new_value);
+
+ LIR_Opr result = BarrierSetC1::atomic_cmpxchg_at_resolved(access, cmp_value, new_value);
+
+ if (access.is_oop()) {
+ post_barrier(access, access.resolved_addr(), new_value.result());
+ }
+
+ return result;
}
LIR_Opr ShenandoahBarrierSetC1::atomic_xchg_at_resolved(LIRAccess& access, LIRItem& value) {
LIRGenerator* gen = access.gen();
BasicType type = access.type();
result = tmp;
if (ShenandoahSATBBarrier) {
pre_barrier(access.gen(), access.access_emit_info(), access.decorators(), LIR_OprFact::illegalOpr,
result /* pre_val */);
}
+ post_barrier(access, access.resolved_addr(), result);
}
return result;
}
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